Dough: Mix the butter, sugar, vanilla sugar, Citroback little by little with the eggs. Add the remaining dough ingredients to the creamy mixture and stir in well.
Pour the batter into a greased springform pan and spread the drained sour cherries on top.
Cut the marzipan into small pieces and mix with 1 tablespoon flour, then spread on the dough.
Bake at 175 ° top and bottom heat for 25 minutes.
Melt the butter for the cover in a saucepan - fold in the sugar and almonds. Let the mixture cool down a little. After the first baking time, distribute on the dough and bake for another 20 minutes at the same temperature.